While you sleep, your brain continues to crave inputs and to register and process sounds. So, when it’s completely quiet your brain starts searching for any input and noises such as the traffic outside or the barking of your neighbour's dog will prevent you from falling asleep or will wake you up whilst sleeping.
Pink Noise is a noise which contains all the frequencies that are audible to humans, boosting the lower frequency range. It is very good to block out annoying noises, to enhance sound privacy, but also to treat hyperacusis or relieve tinnitus.
Using Noisli you can create a pleasant noise environment and easily drown out annoying sounds that will otherwise keep you from sleeping and that can have a negative impact on your sleep quality.

Noisli is a free background noise generator with a selection of high quality sounds that you can mix and match as you like. Use Noisli to drown out annoying noises in order to help you focus and boost your productivity or to enhance your relaxation while trying to fall asleep.